Update LogBoxModule.kt
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OTKUSteyler
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commit
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1 changed files with 187 additions and 84 deletions
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@ -1,9 +1,12 @@
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package GoonXposed.xposed.modules.LogBox
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import GoonXposed.xposed.Module
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import GoonXposed.xposed.Utils.Companion.reloadApp
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import GoonXposed.xposed.Utils.Log
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import GoonXposed.xposed.hook
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import android.app.Activity
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import android.content.Context
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import de.robv.android.xposed.XC_MethodHook
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import de.robv.android.xposed.XC_MethodHook.MethodHookParam
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import de.robv.android.xposed.XC_MethodReplacement
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import de.robv.android.xposed.XposedBridge
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@ -15,28 +18,61 @@ object LogBoxModule : Module() {
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lateinit var packageParam: XC_LoadPackage.LoadPackageParam
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private val scope = CoroutineScope(Dispatchers.Main + SupervisorJob())
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var contextForMenu: Context? = null
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private val hookedMethods = mutableSetOf<String>()
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override fun onLoad(packageParam: XC_LoadPackage.LoadPackageParam) = with(packageParam) {
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this@LogBoxModule.packageParam = packageParam
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try {
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val dcdReactNativeHostClass = classLoader.loadClass("com.discord.bridge.DCDReactNativeHost")
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val getUseDeveloperSupportMethod =
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dcdReactNativeHostClass.methods.first { it.name == "getUseDeveloperSupport" }
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getUseDeveloperSupportMethod.hook {
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before {
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result = true
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}
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}
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Log.e("Successfully hooked DCDReactNativeHost")
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} catch (e: Exception) {
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Log.e("Failed to hook DCDReactNativeHost: ${e.message}")
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}
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// Enable React Native developer support so the shake gesture is detected.
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// MUST happen before the ReactHost is created (i.e. before the first Activity.onCreate),
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// otherwise useDeveloperSupport is read once and cached.
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enableDeveloperSupport(classLoader)
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return@with
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}
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private fun enableDeveloperSupport(classLoader: ClassLoader) {
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val hostCandidates = listOf(
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"com.discord.bridge.DCDReactNativeHost"
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)
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for (hostName in hostCandidates) {
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if (hookGetUseDeveloperSupport(classLoader, hostName)) {
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Log.e("Successfully hooked $hostName for dev support")
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return
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}
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}
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Log.e("Failed to hook any ReactNativeHost for dev support")
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}
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private fun hookGetUseDeveloperSupport(classLoader: ClassLoader, hostName: String): Boolean {
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val hostClass = try {
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XposedHelpers.findClassIfExists(hostName, classLoader)
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} catch (e: Throwable) {
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null
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} ?: return false
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val method = hostClass.declaredMethods.firstOrNull { it.name == "getUseDeveloperSupport" }
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?: hostClass.methods.firstOrNull { it.name == "getUseDeveloperSupport" }
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?: return false
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return try {
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method.isAccessible = true
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val signature = "${method.declaringClass.name}#${method.name}"
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if (hookedMethods.add(signature)) {
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method.hook {
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before {
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result = true
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}
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}
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}
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true
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} catch (e: Throwable) {
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Log.e("Failed to hook getUseDeveloperSupport on $hostName: ${e.message}")
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false
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}
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}
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override fun onContext(context: Context) {
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try {
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Log.e("onContext called with context: $context")
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@ -47,82 +83,104 @@ object LogBoxModule : Module() {
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"com.facebook.react.devsupport.BridgelessDevSupportManager",
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"com.facebook.react.devsupport.DevSupportManagerImpl",
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"com.facebook.react.devsupport.DevSupportManagerBase",
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"com.facebook.react.devsupport.DefaultDevSupportManager"
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"com.facebook.react.devsupport.DefaultDevSupportManager",
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"com.facebook.react.devsupport.DevSupportManager"
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)
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var foundAny = false
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possibleClasses.forEach { className ->
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try {
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val clazz = packageParam.classLoader.loadClass(className)
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Log.e("Found class: $className")
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hookDevSupportManager(clazz, context)
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foundAny = true
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} catch (e: Exception) {
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Log.e("Class not found: $className - ${e.message}")
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val clazz = try {
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XposedHelpers.findClassIfExists(className, packageParam.classLoader)
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} catch (e: Throwable) {
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null
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}
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if (clazz == null) {
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Log.e("Class not found: $className")
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return@forEach
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}
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Log.e("Found class: $className")
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hookDevSupportManager(clazz)
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foundAny = true
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}
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if (!foundAny) {
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tryFindDevSupportClasses(context)
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Log.e("No DevSupport class was found - menu will not show on shake")
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}
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} catch (e: Exception) {
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// Handle exception
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}
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}
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private fun tryFindDevSupportClasses(context: Context) {
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try {
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val dexFile = packageParam.classLoader.javaClass.getDeclaredField("pathList")
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dexFile.isAccessible = true
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Log.e("Searching for DevSupport classes in classloader...")
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} catch (e: Exception) {
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Log.e("Could not search for classes: ${e.message}")
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}
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}
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private fun hookDevSupportManager(clazz: Class<*>, context: Context) {
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private fun hookDevSupportManager(clazz: Class<*>) {
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Log.e("Attempting to hook ${clazz.name}")
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Log.e("Available methods in ${clazz.simpleName}:")
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clazz.methods.forEach { method ->
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if (method.name.contains("Dev") || method.name.contains("Reload") || method.name.contains("Options")) {
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Log.e(" - ${method.name}")
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hookReloadJS(clazz)
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val showMethod = clazz.declaredMethods.firstOrNull { it.name == "showDevOptionsDialog" }
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?: clazz.methods.firstOrNull { it.name == "showDevOptionsDialog" }
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?: run {
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Log.e("showDevOptionsDialog not found on ${clazz.name}")
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return
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}
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val signature = "${showMethod.declaringClass.name}#${showMethod.name}"
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if (!hookedMethods.add(signature)) {
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Log.e("showDevOptionsDialog already hooked on ${showMethod.declaringClass.name}, skipping")
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return
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}
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try {
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try {
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val showDevOptionsDialogMethod = clazz.methods.firstOrNull { it.name == "showDevOptionsDialog" }
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if (showDevOptionsDialogMethod != null) {
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XposedBridge.hookMethod(showDevOptionsDialogMethod, object : XC_MethodReplacement() {
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override fun replaceHookedMethod(param: MethodHookParam): Any? {
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try {
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var activityContext: Context? = null
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try {
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activityContext = getContextFromDevSupport(clazz, param.thisObject)
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if (activityContext != null) {
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Log.e("Successfully got context from DevSupport")
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}
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} catch (e: Exception) {
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Log.e("Failed to get context from DevSupport (non-fatal): ${e.message}")
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}
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val finalContext = activityContext ?: contextForMenu ?: context
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Log.e("Using context: $finalContext (type: ${finalContext.javaClass.name})")
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LogBoxNavigation.showRecoveryMenu(finalContext)
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} catch (e: Exception) {
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e.printStackTrace()
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}
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return null
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XposedBridge.hookMethod(showMethod, object : XC_MethodHook() {
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override fun beforeHookedMethod(param: MethodHookParam) {
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try {
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val activityContext = getContextFromDevSupport(clazz, param.thisObject)
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?: contextForMenu
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if (activityContext == null) {
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// No usable context at all - let React's own dev options dialog
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// run instead of showing nothing.
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Log.e("No usable context for recovery menu - letting RN dialog show")
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return
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}
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})
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Log.e(
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"Using context: $activityContext (type: ${activityContext.javaClass.name})"
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)
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// Only suppress React's dialog once ours is actually being shown.
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// If showing the menu throws (e.g. bad Context), the exception is
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// caught below and React's dialog still runs.
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LogBoxNavigation.showRecoveryMenu(activityContext)
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param.result = null
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} catch (e: Throwable) {
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Log.e("Failed to show recovery menu (falling back to RN dialog): ${e.message}")
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}
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}
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} catch (e: Exception) {
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// Handle exception
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}
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} catch (e: Exception) {
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// Handle exception
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})
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Log.e("Hooked showDevOptionsDialog on ${showMethod.declaringClass.name}")
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} catch (e: Throwable) {
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Log.e("Failed to hook showDevOptionsDialog on ${clazz.name}: ${e.message}")
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}
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}
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private fun hookReloadJS(clazz: Class<*>) {
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val method = clazz.declaredMethods.firstOrNull { it.name == "handleReloadJS" }
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?: clazz.methods.firstOrNull { it.name == "handleReloadJS" }
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?: return
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val signature = "${method.declaringClass.name}#${method.name}"
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if (!hookedMethods.add(signature)) return
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try {
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XposedBridge.hookMethod(method, object : XC_MethodReplacement() {
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override fun replaceHookedMethod(param: MethodHookParam): Any? {
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Log.e("handleReloadJS called - reloading app")
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reloadApp()
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return null
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}
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})
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Log.e("Hooked handleReloadJS on ${method.declaringClass.name}")
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} catch (e: Throwable) {
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Log.e("Failed to hook handleReloadJS: ${e.message}")
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}
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}
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@ -132,42 +190,43 @@ object LogBoxModule : Module() {
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return null
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}
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return try {
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try {
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// Helper objects that expose getCurrentActivity(). ReactInstanceDevHelper and
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// ReactHost are the ones guaranteed to hold the *Activity* (not the app context),
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// which is what an AlertDialog needs to actually appear on screen.
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val helpers = listOf(
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"mReactInstanceDevHelper",
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"reactInstanceDevHelper",
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"mReactHost",
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"reactHost",
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"mReactInstanceManager",
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"reactInstanceManager",
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"mBridge",
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"bridge",
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"mApplicationContext"
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)
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for (helperName in helpers) {
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try {
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Log.e("Trying field: $helperName")
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val helperField = XposedHelpers.findFieldIfExists(clazz, helperName)
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if (helperField == null) {
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Log.e("Field $helperName not found, skipping")
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continue
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}
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val helper = helperField.get(instance)
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if (helper == null) {
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Log.e("Field $helperName is null, skipping")
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continue
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}
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?: continue
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val helper = helperField.get(instance) ?: continue
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if (helper is Context) {
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Log.e("Field $helperName is a Context, returning it")
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return helper
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}
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// getCurrentActivity() exists on ReactInstanceDevHelper, ReactHost and
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// ReactInstanceManager, and returns an actual Activity.
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val getCurrentActivityMethod = helper.javaClass.methods.firstOrNull {
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it.name == "getCurrentActivity"
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}
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if (getCurrentActivityMethod != null) {
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getCurrentActivityMethod.isAccessible = true
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val ctx = getCurrentActivityMethod.invoke(helper) as? Context
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if (ctx != null) {
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Log.e("Got context from $helperName.getCurrentActivity()")
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Log.e("Got activity context from $helperName.getCurrentActivity()")
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return ctx
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}
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}
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@ -176,11 +235,55 @@ object LogBoxModule : Module() {
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}
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}
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// Direct Context fields on the DevSupportManager and its superclasses.
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try {
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var current = clazz
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while (current != null && current != Any::class.java) {
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for (field in current.declaredFields) {
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try {
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field.isAccessible = true
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val value = field.get(instance) ?: continue
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if (value is Context) {
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Log.e("Got context from field ${current.simpleName}.${field.name}")
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return value
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}
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} catch (e: Exception) {
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// skip fields we cannot read
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}
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}
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current = current.superclass
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}
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} catch (e: Exception) {
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Log.e("Error scanning context fields: ${e.message}")
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}
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// Last resort: the currently resumed Activity from ActivityThread.
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try {
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val activityThreadClass = Class.forName("android.app.ActivityThread")
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val currentActivityThread =
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activityThreadClass.getMethod("currentActivityThread").invoke(null)
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val mActivitiesField = activityThreadClass.getDeclaredField("mActivities")
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mActivitiesField.isAccessible = true
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val activities = mActivitiesField.get(currentActivityThread)
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if (activities is Map<*, *>) {
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for (record in activities.values) {
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val activityField = record!!.javaClass.getDeclaredField("activity")
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activityField.isAccessible = true
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val activity = activityField.get(record) as? Activity
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if (activity != null && !activity.isFinishing) {
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Log.e("Got activity context from ActivityThread")
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return activity
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}
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}
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}
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} catch (e: Exception) {
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Log.e("ActivityThread lookup failed: ${e.message}")
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}
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Log.e("Could not get context from DevSupport object using any method")
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null
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} catch (e: Exception) {
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Log.e("Failed to get context (outer catch): ${e.message}")
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null
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}
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return null
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}
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}
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